Semantic service description framework for efficient service discovery and composition

................................................................................................................. II DECLARATION .........................................................................................................IV ACKNOWLEDGEMENTS.........................................................................................VI LIST OF FIGURES ................................................................................................... XII LIST OF TABLES....................................................................................................XIV LIST OF DEFINITIONS ........................................................................................... XV CHAPTER 1: INTRODUCTION ..................................................................................1 1.1 NEW SOA PARADIGM ...........................................................................................2 1.2 PROBLEM AREAS...................................................................................................5 1.2.1 Service Description Problem ........................................................................5 1.2.2 Service Discovery Problem...........................................................................6 1.2.3 Service Composition Problem.......................................................................8 1.3 CURRENT SOLUTIONS............................................................................................9 1.3.1 Semantic Web Services ...............................................................................10 1.3.2 Web Service Discovery ...............................................................................10 1.3.3 Web Service Composition ...........................................................................11 1.3.4 Remaining Issues ........................................................................................12 1.4 PROPOSED METHOD.............................................................................................14 1.4.1 Integrating Context into Service Description .............................................14 1.4.2 Integrating Adequate Semantics into Service Description .........................15 1.4.3 Addressing Incomplete Information............................................................16 1.4.4 A Flexible Service Discovery Mechanism...................................................16 1.5 CONTRIBUTIONS..................................................................................................17 1.6 CRITERIA FOR SUCCESS.......................................................................................18